public static int Check(Answer thisAnswer, Problem thisProblem)
{
string stdData = thisProblem.StandardOutput.Replace("\r", "");
string data = thisAnswer.OutputData.Replace("\r", "");
string stdDataNp = stdData.Replace("\n", "").Replace("\t", "").Replace(" ", "");
string dataNp = data.Replace("\n", "").Replace("\t", "").Replace(" ", "");
if (stdData.Length < data.Length / 2)
{
StatusCode = Const.StatusCodeOutputLimitExceeded;
}
else if (stdData == data)
{
StatusCode = Const.StatusCodeAccepted;
}
else if (stdDataNp == dataNp)
{
StatusCode = Const.StatusCodePresentationError;
}
else
{
StatusCode = Const.StatusCodeWrongAnswer;
}
return StatusCode;
}
public static Problem GetProblemById(Int64 id)
{
var command = TheMySqlConnection.CreateCommand();
command.CommandText = "SELECT `problem`.* FROM `problem` WHERE `problem`.ID = @ID";
command.Parameters.AddWithValue("@ID", id);
if (TheMySqlConnection.State == ConnectionState.Closed) TheMySqlConnection.Open();
var thisMySqlDataReader = command.ExecuteReader();
Problem thisProblem = null;
try
{
while (thisMySqlDataReader.Read())
{
thisProblem = new Problem(
thisMySqlDataReader.GetInt64("ID"),
thisMySqlDataReader.GetInt64("TimeLimitNormal"),
thisMySqlDataReader.GetInt64("TimeLimitJava"),
thisMySqlDataReader.GetInt64("MemoryLimitNormal"),
thisMySqlDataReader.GetInt64("MemoryLimitJava"),
thisMySqlDataReader.GetString("StandardInput"),
thisMySqlDataReader.GetString("StandardOutput")
);
}
}
catch (MySqlConversionException)
{
throw;
}
catch (Exception)
{
throw;
}
finally
{
thisMySqlDataReader.Close();
}
return thisProblem;
}
public static void Run(string workingDirectory, Answer thatAnswer, Problem thatProblem)
{
StatusCode = Const.StatusCodeAccepted;
OutputStringBuilder = new StringBuilder();
ErrorStringBuilder = new StringBuilder();
OutputLimit = thatProblem.StandardOutput.Length * 2;
ThatProgramProcess = new Process
{
StartInfo =
{
CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true
}
};
switch (thatAnswer.LanguageCode)
{
case Const.LanguageCodeC:
case Const.LanguageCodeCpp:
ThatProgramProcess.StartInfo.FileName = workingDirectory + "Main.exe";
TimeLimit = thatProblem.TimeLimitNormal;
MemoryLimit = thatProblem.MemoryLimitNormal * 1000;
break;
case Const.LanguageCodeJava:
ThatProgramProcess.StartInfo.FileName = "java";
ThatProgramProcess.StartInfo.Arguments = "-cp " + workingDirectory + " " + "Main";
TimeLimit = thatProblem.TimeLimitJava * 1000;
MemoryLimit = thatProblem.MemoryLimitJava * 1000;
break;
default:
throw new Exception("不支持的语言类型");
}
try
{
//启动进程
ThatProgramProcess.Start();
//启动时间内存监控线程
var threadWatchTimeAndMemory = new Thread(WatchTimeAndMemory);
threadWatchTimeAndMemory.Start();
//启动输出流监控线程
var threadWatchOutputStream = new Thread(WatchOutputStream);
threadWatchOutputStream.Start();
//启动错误流监控线程
var threadWatchErrorStream = new Thread(WatchErrorStream);
threadWatchErrorStream.Start();
//设置最大使用内存
if (ThatProgramProcess.MaxWorkingSet.ToInt64() < MemoryLimit)
ThatProgramProcess.MaxWorkingSet = new IntPtr(MemoryLimit);
else
throw new OutOfMemoryException();
//输入数据
ThatProgramProcess.StandardInput.Write(thatProblem.StandardInput);
ThatProgramProcess.StandardInput.Close();
//等待进程结束
ThatProgramProcess.WaitForExit();
}
catch (OutOfMemoryException)
{
StatusCode = Const.StatusCodeMemoryLimitExceeded;
}
catch (IOException)
{
}
catch (Exception)
{
StatusCode = Const.StatusCodeSystemError;
}
finally
{
//强制结束进程
try { ThatProgramProcess.Kill(); }
catch (Exception) { }
switch (StatusCode)
{
case Const.StatusCodeAccepted:
if (ThatProgramProcess.ExitCode != 0)
{
StatusCode = Const.StatusCodeRuntimeError;
Info = ExitCodeDictionary.ContainsKey(ThatProgramProcess.ExitCode) ? ExitCodeDictionary[ThatProgramProcess.ExitCode] : ErrorStringBuilder.ToString();
}
else if (ErrorStringBuilder.ToString() != "")
{
StatusCode = Const.StatusCodeRuntimeError;
Info = ErrorStringBuilder.ToString();
}
break;
case Const.StatusCodeMemoryLimitExceeded:
UsedMemory = MemoryLimit;
Info = "";
break;
case Const.StatusCodeTimeLimitExceeded:
UsedTime = TimeLimit;
Info = "";
break;
case Const.StatusCodeOutputLimitExceeded:
Info = "";
break;
default:
throw new Exception("状态码错误");
}
}
}
